Alliance Precision Plastics

Employee Size

201-500

Organization Type

Privately Held

Headquarters

Rochester, NY

Founded

1954

Since its founding in 1947 as a tooling and stamping-die supplier, Alliance Precision Plastics has built a 75-year-plus history as a contract manufacturing partner for global OEMs. Today, the Rochester-based company serves customers across North America and beyond, with its two U.S. facilities supporting custom injection molding and integrated production for demanding medical, industrial, and specialty applications.

• Empire Precision PlasticsFounded in 1992, Empire Precision Plastics is a Rochester-based contract manufacturer of close-tolerance plastic parts, developing programs from tooling and prototypes through scientific injection molding and assembly. Its almost 70,000-square-foot facility combines an in-house tool room with highly automated molding and controlled-environment capabilities, including specialized work in medical devices and polymer optics. Empire is certified to ISO 9001:2015 and ISO 13485:2016, and has completed more than 1,000 injection-mold tooling transfer programs.ROCHESTER, NY
• OP
  Ontario Plastics of NY, IncFounded in Rochester in 1945 with a first molding job making clothespins, Ontario Plastics of NY is a custom plastic injection molder serving customers in fields ranging from medical products to aerospace and defense. The company grew through three generations of Hayes family ownership before transitioning to a fourth-generation owner in 2024, and it remains known for combining in-house engineering, tooling, and production support with a practical “save the day” approach to customer needs. Ontario Plastics has held ISO 9001 certification since 2001 and was recertified to ISO 9001:2015 in 2016.ROCHESTER, NY
• Accede Mold & Tool Co., IncSince Alton Fox opened its doors in 1981, Accede Mold & Tool has grown from a two-person Webster shop into a family-owned Rochester manufacturer with a 44,000-square-foot facility. The company is known for developing skilled mold makers through its in-house training program and for supporting demanding plastic injection molding programs with precision tooling. Its quality management system, first registered to QS 9000 in 1995, is now upgraded to ISO 9001:2015.ROCHESTER, NY
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